Answer:
1 Government
Explanation:
I say its government out of these choices because we had Government before a telephone and a microwave and all of them are still an effect today.
The US wanted to eliminate the sphere of influence because U.S. politicians and businessmen worried about foreign nations controlled economic development so they supported Open Door Policy.
1. Other countries might have controversy (arguments)
2. It could kill animal and vegetation life
This depends greatly on the time period in question, but during the Enlightenment, many Europeans believed "the citizens" were in charge of all things including governmental systems.